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6c2545eeff
Don't allow a module built without versions altogether to be inserted into a kernel which expects modversions. modprobe --force will strip vermagic as well as modversions, so it won't be effected, but this will make sure that a non-CONFIG_MODVERSIONS module won't be accidentally inserted into a CONFIG_MODVERSIONS kernel. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
35 lines
837 B
C
35 lines
837 B
C
#include <linux/utsrelease.h>
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#include <linux/module.h>
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/* Simply sanity version stamp for modules. */
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#ifdef CONFIG_SMP
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#define MODULE_VERMAGIC_SMP "SMP "
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#else
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#define MODULE_VERMAGIC_SMP ""
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#endif
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#ifdef CONFIG_PREEMPT
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#define MODULE_VERMAGIC_PREEMPT "preempt "
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#else
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#define MODULE_VERMAGIC_PREEMPT ""
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#endif
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#ifdef CONFIG_MODULE_UNLOAD
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#define MODULE_VERMAGIC_MODULE_UNLOAD "mod_unload "
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#else
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#define MODULE_VERMAGIC_MODULE_UNLOAD ""
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#endif
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#ifdef CONFIG_MODVERSIONS
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#define MODULE_VERMAGIC_MODVERSIONS "modversions "
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#else
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#define MODULE_VERMAGIC_MODVERSIONS ""
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#endif
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#ifndef MODULE_ARCH_VERMAGIC
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#define MODULE_ARCH_VERMAGIC ""
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#endif
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#define VERMAGIC_STRING \
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UTS_RELEASE " " \
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MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \
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MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \
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MODULE_ARCH_VERMAGIC
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